The Plug Connector (OEM Part No. 3217997819) is an electrical spare part compatible with Epiroc underground mining equipment, including M4C, E70, T1D, M40S, Boomer 291, S7D, 235 Bolting Rig, and S1D models. Manufactured from copper alloy and insulating plastic materials, it functions as an electrical connection component in control and power circuits. The plug connector ensures stable electrical transmission, secure connection, and reliable signal communication between machine components. Designed for harsh underground mining conditions, this replacement electrical component provides excellent conductivity, durability, and long service life for drilling and bolting equipment maintenance.